Shimano's new Deore M6000 group looks impressively refined

New wide-range SLX cassette and Boost XT wheels, too

Updated with pricing and availability 23 February.

Shimano has just released details of a trio of updated mountain bike groups. The company’s XT, SLX and Deore components all receive updates to bring them up to speed with the needs of modern mountain bikers.

Shimano Deore M6000 offers more gearing options, cosmetic refinements

Tripple cranksets are still offered in Deore
Tripple cranksets are still offered in Deore

Deore holds its position as Shimano’s entry-level group for off-road enthusiasts. Unlike the higher-end SLX and XT groups, Deore M6000 holds steady with a 10-speed drivetrain.

While most mountain bike drivetrains are slimming down to a single chainring, Deore branches out with a wider range of options for mountain bikers, commuting and trekking purposes.

The 2x10 crankset is offered in 38-28t, 36-26t and 34-24t options. This 2x crankset also gets a cosmetic update with design cues from Shimano’s high-end mountain bike groups. There are also “Boost” versions of this crank with 3mm of additional offset.

A Deore triple crankset is also available with a wide-range 40-30-22t option.

Both the 2x and 3x drivetrains are compatible with the new 10-speed Deore 11-42t cassette. This is the standout addition to this group — one that is sure to be a hit with mountain bikers looking to upgrade a their existing 10-speed drivetrains to 1x10 set ups.

A new Shadow RD+ rear derailleur handles shifting duties.

The clutch-equipped Deore rear derailleur gets some cosmetic updates
The clutch-equipped Deore rear derailleur gets some cosmetic updates

In addition to these drivetrain additions, this Shimano Deore M6000 group gets updated Rapidfire Plus shifters that retain visual gear displays.

The new Deore brakes look more polished than their predecessors, with slimmer clamps and a new finish
The new Deore brakes look more polished than their predecessors, with slimmer clamps and a new finish

Deore brakes already incorporated Shimano’s Servo Wave technology for improved power and modulation. The brake calipers are compatible with Shimano’s Ice Tech brake pads, which dissipate the heat generated while braking. These new stoppers get a new finish and slimmer clamp to take up less space on the handlebar. 

New Shimano SLX 11-46t cassette

Shimano’s third-tier group follows in the footsteps of XT with a wide range 11-46t cassette for 1x11 drivetrains.

SLX also gets updated 2x crankset options in a 36-26t version for 11- and 10-speed drivetrains. The 11-speed version is available in Boost and non-Boost versions.

Shimano XT M8000 wheels now Boost compatible 

Shimano's XT M8000 wheels are now wider and Boost-compatible
Shimano's XT M8000 wheels are now wider and Boost-compatible

Shimano has been off the back with axle standards for several years. A new XT-level wheelset seeks to remedy this by offering 110x15 front and 148x12mm rear axle options.

Pricing and availability

Deore M6000 group

  • Front chainwheel, FC-M6000-2: £TBC / $124.99
  • Cassette sprocket, CS-HG500-10: £TBC / $64.99
  • Disc brake assembled set, BL-M600 (front): £TBC / $99.99
  • Disc brake assembled set, BL-M600 (rear): £TBC / $99.99
  • Front derailleur, FD-M6000: £TBC / $37.99
  • Rear derailleur, RD-M6000, GS or SGS: £TBC /$84.99
  • Shift lever, SL-M6000-IL, Deore, left (I-SPEC II): £TBC / $36.99
  • Shift lever, SL-M6000-IR, Deore, right (I-SPEC II): £TBC / $36.99
  • Freehub, FH-M6000, Deore for center lock: £TBC / $43.99
  • Front hub, HB-M6000, Deore for center lock: £TBC / $24.99

Shimano estimates that the Deore M6000 group will be available this May.

XT M8000/M8020 wheels

  • WH-M8000-B Deore XT, front wheel: £TBC / $259.99     
  • WH-M8000-B Deore XT, rear wheel: £TBC / $289.99      
  • WH-M8000-B Deore XT set: £TBC / $549.99     
  • WH-M8020-B Deore XT, front wheel: £TBC / $259.99      
  • WH-M8020-B Deore XT, rear wheel: £TBC / $289.99      
  • WH-M8020-B Deore XT set: £TBC / $ 549.99

Shimano estimates that the XT M8000/M8020 29in wheels will be available this May and the 27.5in will be available this June.

SLX CS-M7000 cassette

  • Cassette sprocket, CS-M7000, SLX, 11-46T: £TBC / $74.99

Shimano estimates that the SLX CS-M7000 cassette will be available this May.

Josh has been riding and racing mountain bikes since 1998. Being stubborn, endurance racing was a natural fit. Josh bankrolled his two-wheeled addiction by wrenching at various bike shops across the US for 10 years and even tried his hand at frame building. These days Josh spends most of his time riding the trails around his home in Fort Collins, Colorado.
  • Discipline: Mountain, cyclocross, road
  • Preferred Terrain: Anywhere with rock- and root-infested technical singletrack. He also enjoys unnecessarily long gravel races.
  • Current Bikes: Trek Remedy 29 9.9, Yeti ASRc, Specialized CruX, Spot singlespeed, Trek District 9
  • Dream Bike: Evil The Following, a custom Moots 27.5+ for bikepacking adventures
  • Beer of Choice: PBR
  • Location: Fort Collins, CO, USA

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